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1688-28 Datasheet(PDF) 3 Page - Emcore Corporation

Part # 1688-28
Description  1688 1310 nm DFB Laser Module
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Manufacturer  EMCORE [Emcore Corporation]
Direct Link  http://www.emcore.com
Logo EMCORE - Emcore Corporation

1688-28 Datasheet(HTML) 3 Page - Emcore Corporation

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DATASHEET | FEBRUARY 2012
FIBER OPTICS
| REV 2012.02
Information contained herein is deemed reliable and accurate as of the issue date. EMCORE reserves the right to change the design or specification at any time without notice.
RF Characteristic
Laser Temperature (TL) = 25
oC, I
F = IOP, Beginning of Life (BOL)
Parameter
Symbol
Condition
Min
Typ
Max
Unit
Frequency Range
F
-
5
-
1002
MHz
Frequency Response
S21
IF = 60 mA, 5 MHz-1002 MHz
-
±0.5
-
dB
Carrier-to-Noise Ratio
CNR
OMI = 3.7%, 79 ch., NTSC
50
51
-
dB
Composite Second Order
CSO
OMI = 3.7%, 79 ch., NTSC
57
-
-
dB
Composite Triple Beat
CTB
OMI = 3.7%, 79 ch., NTSC
65
-
-
dB
Relative Intensity Noise
RIN
-
-150
-155
-
dB/Hz
In order to prevent reflection-induced distortion, the laser must be connected to an optical cable having a return loss of at
least 55 dB for discrete reflections and 30 dB for distributed reflections.
Fiber Characteristics
SC/APC Connector:
Standard
Fiber Length:
> 1.0 meter (1.5 meter typical), with respect to end of package wall.
Fiber Type:
Single Mode Fiber, SMF-28 or compatible, 900 micron buffer, up to one splice allowed for optical
Power models <16mW. The lossy splice location is defined as below.
Electrical Schematics
Figure 1. 1688 Laser Schematic
Figure 2. 1688 Circuit Schematic
1688 1310 nm DFB Laser Module


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